From 4dfdb00c229dbc4c06877088ae275409b75e48ed Mon Sep 17 00:00:00 2001
From: kettenis <kettenis@openbsd.org>
Date: Wed, 3 Apr 2024 22:21:48 +0000
Subject: [PATCH] Stopping grabbing the kernel lock in kbind(2).

ok mpi@
---
 sys/uvm/uvm_mmap.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sys/uvm/uvm_mmap.c b/sys/uvm/uvm_mmap.c
index 4148367ebad..e9c4f7c4290 100644
--- a/sys/uvm/uvm_mmap.c
+++ b/sys/uvm/uvm_mmap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uvm_mmap.c,v 1.187 2024/04/02 08:39:17 deraadt Exp $	*/
+/*	$OpenBSD: uvm_mmap.c,v 1.188 2024/04/03 22:21:48 kettenis Exp $	*/
 /*	$NetBSD: uvm_mmap.c,v 1.49 2001/02/18 21:19:08 chs Exp $	*/
 
 /*
@@ -1244,7 +1244,6 @@ sys_kbind(struct proc *p, void *v, register_t *retval)
 	last_baseva = VM_MAXUSER_ADDRESS;
 	kva = 0;
 	TAILQ_INIT(&dead_entries);
-	KERNEL_LOCK();
 	for (i = 0; i < count; i++) {
 		baseva = (vaddr_t)paramp[i].kb_addr;
 		s = paramp[i].kb_size;
@@ -1295,7 +1294,6 @@ redo:
 		vm_map_unlock(kernel_map);
 	}
 	uvm_unmap_detach(&dead_entries, AMAP_REFALL);
-	KERNEL_UNLOCK();
 
 	return error;
 }
-- 
2.20.1